In case subplots=True, share x axis and set some x axis labels to
invisible; defaults to True if ax is None otherwise False if an ax
is passed in; Be aware, that passing in both an ax and sharex=True
will alter all x axis labels for all subplots in a figure!

sharey : boolean, default False

In case subplots=True, share y axis and set some y axis labels to
invisible

figsize : tuple

The size of the figure to create in inches by default

layout: (optional) a tuple (rows, columns) for the layout of the histograms